Author: asbokhan Date: Thu Nov 5 06:43:09 2015 New Revision: 252156 URL: http://llvm.org/viewvc/llvm-project?rev=252156&view=rev Log: [x86] Additional small fix for MCU psABI support
This patch fixes one more thing in MCU psABI support: LongDoubleWidth should be set to 64. Differential Revision: http://reviews.llvm.org/D14285 Modified: cfe/trunk/lib/Basic/Targets.cpp cfe/trunk/test/CodeGen/x86_32-arguments-iamcu.c Modified: cfe/trunk/lib/Basic/Targets.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=252156&r1=252155&r2=252156&view=diff ============================================================================== --- cfe/trunk/lib/Basic/Targets.cpp (original) +++ cfe/trunk/lib/Basic/Targets.cpp Thu Nov 5 06:43:09 2015 @@ -2335,8 +2335,7 @@ class X86TargetInfo : public TargetInfo public: X86TargetInfo(const llvm::Triple &Triple) : TargetInfo(Triple) { BigEndian = false; - LongDoubleFormat = Triple.isOSIAMCU() ? &llvm::APFloat::IEEEdouble - : &llvm::APFloat::x87DoubleExtended; + LongDoubleFormat = &llvm::APFloat::x87DoubleExtended; } unsigned getFloatEvalMethod() const override { // X87 evaluates with 80 bits "long double" precision. @@ -3624,6 +3623,11 @@ public: IntPtrType = SignedInt; RegParmMax = 3; + if (getTriple().isOSIAMCU()) { + LongDoubleWidth = 64; + LongDoubleFormat = &llvm::APFloat::IEEEdouble; + } + // Use fpret for all types. RealTypeUsesObjCFPRet = ((1 << TargetInfo::Float) | (1 << TargetInfo::Double) | Modified: cfe/trunk/test/CodeGen/x86_32-arguments-iamcu.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/x86_32-arguments-iamcu.c?rev=252156&r1=252155&r2=252156&view=diff ============================================================================== --- cfe/trunk/test/CodeGen/x86_32-arguments-iamcu.c (original) +++ cfe/trunk/test/CodeGen/x86_32-arguments-iamcu.c Thu Nov 5 06:43:09 2015 @@ -57,6 +57,6 @@ st12_t retLargeStruct(int i1, st12_t r) // CHECK-LABEL: define i32 @varArgs(i32 inreg %i1, ...) int varArgs(int i1, ...) { return i1; } -// CHECK-LABEL: define double @longDoubleArg(double %ld1) +// CHECK-LABEL: define double @longDoubleArg(double inreg %ld1) long double longDoubleArg(long double ld1) { return ld1; } _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
